145418900 has 36 divisors (see below), whose sum is σ = 344248800. Its totient is φ = 52879200.

The previous prime is 145418869. The next prime is 145418921. The reversal of 145418900 is 9814541.

It is a super-2 number, since 2×145418900² = 42293312954420000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65000 + ... + 67199.

Almost surely, 2^145418900 is an apocalyptic number.

145418900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145418900 is an abundant number, since it is smaller than the sum of its proper divisors (198829900).

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

145418900 is a wasteful number, since it uses less digits than its factorization.

145418900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132224 (or 132217 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 145418900 is about 12058.9759100846. The cubic root of 145418900 is about 525.8642153134.

The spelling of 145418900 in words is "one hundred forty-five million, four hundred eighteen thousand, nine hundred".