1445131400 has 48 divisors (see below), whose sum is σ = 3506025600. Its totient is φ = 552918080.

The previous prime is 1445131399. The next prime is 1445131411. The reversal of 1445131400 is 41315441.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 152480 + ... + 161679.

It is an arithmetic number, because the mean of its divisors is an integer number (73042200).

Almost surely, 2^1445131400 is an apocalyptic number.

1445131400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445131400 is an abundant number, since it is smaller than the sum of its proper divisors (2060894200).

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

1445131400 is a wasteful number, since it uses less digits than its factorization.

1445131400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314198 (or 314189 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1445131400 is about 38014.8839272199. The cubic root of 1445131400 is about 1130.5829868249.

Adding to 1445131400 its reverse (41315441), we get a palindrome (1486446841).

The spelling of 1445131400 in words is "one billion, four hundred forty-five million, one hundred thirty-one thousand, four hundred".