145476900 has 54 divisors (see below), whose sum is σ = 455992082. Its totient is φ = 38793600.

The previous prime is 145476883. The next prime is 145476907. The reversal of 145476900 is 9674541.

It can be written as a sum of positive squares in 3 ways, for example, as 4769856 + 140707044 = 2184^2 + 11862^2 .

It is a super-2 number, since 2×145476900² = 42327056867220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (145476907) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 79921 + ... + 81720.

Almost surely, 2^145476900 is an apocalyptic number.

145476900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145476900 is an abundant number, since it is smaller than the sum of its proper divisors (310515182).

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

145476900 is a wasteful number, since it uses less digits than its factorization.

145476900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161661 (or 161651 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 145476900 is about 12061.3805180004. The cubic root of 145476900 is about 525.9341192723.

The spelling of 145476900 in words is "one hundred forty-five million, four hundred seventy-six thousand, nine hundred".