144731900 has 36 divisors (see below), whose sum is σ = 314854848. Its totient is φ = 57747840.

The previous prime is 144731891. The next prime is 144731903. The reversal of 144731900 is 9137441.

144731900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×144731900² = 41894645755220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144731903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44117 + ... + 47283.

It is an arithmetic number, because the mean of its divisors is an integer number (8745968).

Almost surely, 2^144731900 is an apocalyptic number.

144731900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144731900 is an abundant number, since it is smaller than the sum of its proper divisors (170122948).

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

144731900 is a wasteful number, since it uses less digits than its factorization.

144731900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638 (or 3631 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 144731900 is about 12030.4571816702. The cubic root of 144731900 is about 525.0347973912.

The spelling of 144731900 in words is "one hundred forty-four million, seven hundred thirty-one thousand, nine hundred".