145587291453 has 24 divisors (see below), whose sum is σ = 213078403200. Its totient is φ = 95773938624.

The previous prime is 145587291413. The next prime is 145587291461. The reversal of 145587291453 is 354192785541.

145587291453 is a `hidden beast` number, since 1 + 4 + 5 + 587 + 2 + 9 + 1 + 4 + 53 = 666.

It is not a de Polignac number, because 145587291453 - 2⁸ = 145587291197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145587291453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145587291413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1183513 + ... + 1300721.

It is an arithmetic number, because the mean of its divisors is an integer number (8878266800).

Almost surely, 2^145587291453 is an apocalyptic number.

It is an amenable number.

145587291453 is a deficient number, since it is larger than the sum of its proper divisors (67491111747).

145587291453 is a wasteful number, since it uses less digits than its factorization.

145587291453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119041 (or 119038 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The spelling of 145587291453 in words is "one hundred forty-five billion, five hundred eighty-seven million, two hundred ninety-one thousand, four hundred fifty-three".