145535042 has 4 divisors (see below), whose sum is σ = 218302566. Its totient is φ = 72767520.

The previous prime is 145535009. The next prime is 145535051. The reversal of 145535042 is 240535541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 120143521 + 25391521 = 10961^2 + 5039^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145534996 and 145535014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36383759 + ... + 36383762.

Almost surely, 2^145535042 is an apocalyptic number.

145535042 is a deficient number, since it is larger than the sum of its proper divisors (72767524).

145535042 is an equidigital number, since it uses as much as digits as its factorization.

145535042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72767523.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 145535042 is about 12063.7905320011. The cubic root of 145535042 is about 526.0041757296.

The spelling of 145535042 in words is "one hundred forty-five million, five hundred thirty-five thousand, forty-two".