145900322250631 has 8 divisors (see below), whose sum is σ = 157132030419504. Its totient is φ = 134669843575680.

The previous prime is 145900322250629. The next prime is 145900322250763. The reversal of 145900322250631 is 136052223009541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145900322250631 - 2¹ = 145900322250629 is a prime.

It is a super-2 number, since 2×145900322250631² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145900322250611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307127005 + ... + 307601686.

It is an arithmetic number, because the mean of its divisors is an integer number (19641503802438).

Almost surely, 2^{145900322250631} is an apocalyptic number.

145900322250631 is a deficient number, since it is larger than the sum of its proper divisors (11231708168873).

145900322250631 is a wasteful number, since it uses less digits than its factorization.

145900322250631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614746961.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 145900322250631 in words is "one hundred forty-five trillion, nine hundred billion, three hundred twenty-two million, two hundred fifty thousand, six hundred thirty-one".