145354232 has 8 divisors (see below), whose sum is σ = 272539200. Its totient is φ = 72677112.

The previous prime is 145354219. The next prime is 145354243. The reversal of 145354232 is 232453541.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×145354232² = 42255705520619648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145354195 and 145354204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9084632 + ... + 9084647.

It is an arithmetic number, because the mean of its divisors is an integer number (34067400).

Almost surely, 2^145354232 is an apocalyptic number.

It is an amenable number.

145354232 is a deficient number, since it is larger than the sum of its proper divisors (127184968).

145354232 is a wasteful number, since it uses less digits than its factorization.

145354232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18169285 (or 18169281 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 145354232 is about 12056.2942897061. The cubic root of 145354232 is about 525.7862528907.

The spelling of 145354232 in words is "one hundred forty-five million, three hundred fifty-four thousand, two hundred thirty-two".