149907400 has 48 divisors (see below), whose sum is σ = 349352640. Its totient is φ = 59822400.

The previous prime is 149907337. The next prime is 149907419. The reversal of 149907400 is 4709941.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144885 + ... + 145915.

It is an arithmetic number, because the mean of its divisors is an integer number (7278180).

Almost surely, 2^149907400 is an apocalyptic number.

149907400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149907400 is an abundant number, since it is smaller than the sum of its proper divisors (199445240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149907400 is a wasteful number, since it uses less digits than its factorization.

149907400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774 (or 1765 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 149907400 is about 12243.6677511275. The cubic root of 149907400 is about 531.2199263253.

The spelling of 149907400 in words is "one hundred forty-nine million, nine hundred seven thousand, four hundred".