145236900 has 36 divisors (see below), whose sum is σ = 420219632. Its totient is φ = 38729760.

The previous prime is 145236863. The next prime is 145236919. The reversal of 145236900 is 9632541.

It is a super-2 number, since 2×145236900² = 42187514243220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 241762 + ... + 242361.

Almost surely, 2^145236900 is an apocalyptic number.

145236900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145236900 is an abundant number, since it is smaller than the sum of its proper divisors (274982732).

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

145236900 is a wasteful number, since it uses less digits than its factorization.

145236900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484140 (or 484133 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 145236900 is about 12051.4273013614. The cubic root of 145236900 is about 525.6447407640.

The spelling of 145236900 in words is "one hundred forty-five million, two hundred thirty-six thousand, nine hundred".