145487298 has 16 divisors (see below), whose sum is σ = 317426976. Its totient is φ = 44087040.

The previous prime is 145487273. The next prime is 145487317. The reversal of 145487298 is 892784541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102111 + ... + 1102242.

It is an arithmetic number, because the mean of its divisors is an integer number (19839186).

Almost surely, 2^145487298 is an apocalyptic number.

145487298 is an abundant number, since it is smaller than the sum of its proper divisors (171939678).

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

145487298 is a wasteful number, since it uses less digits than its factorization.

145487298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204369.

The product of its digits is 645120, while the sum is 48.

The square root of 145487298 is about 12061.8115554837. The cubic root of 145487298 is about 525.9466494006.

The spelling of 145487298 in words is "one hundred forty-five million, four hundred eighty-seven thousand, two hundred ninety-eight".