145144310631 has 8 divisors (see below), whose sum is σ = 193613443584. Its totient is φ = 96719025720.

The previous prime is 145144310621. The next prime is 145144310653. The reversal of 145144310631 is 136013441541.

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

It is not a de Polignac number, because 145144310631 - 2¹³ = 145144302439 is a prime.

It is a super-2 number, since 2×145144310631² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145144310592 and 145144310601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145144310621) 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, 10954285 + ... + 10967526.

It is an arithmetic number, because the mean of its divisors is an integer number (24201680448).

Almost surely, 2^145144310631 is an apocalyptic number.

145144310631 is a deficient number, since it is larger than the sum of its proper divisors (48469132953).

145144310631 is a wasteful number, since it uses less digits than its factorization.

145144310631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21924021.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 145144310631 in words is "one hundred forty-five billion, one hundred forty-four million, three hundred ten thousand, six hundred thirty-one".