145362520531 has 8 divisors (see below), whose sum is σ = 147703958640. Its totient is φ = 143039592192.

The previous prime is 145362520507. The next prime is 145362520603. The reversal of 145362520531 is 135025263541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145362520531 is a prime.

It is a super-2 number, since 2×145362520531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145362520631) 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, 4611610 + ... + 4643023.

It is an arithmetic number, because the mean of its divisors is an integer number (18462994830).

Almost surely, 2^145362520531 is an apocalyptic number.

145362520531 is a deficient number, since it is larger than the sum of its proper divisors (2341438109).

145362520531 is a wasteful number, since it uses less digits than its factorization.

145362520531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9254885.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 145362520531 in words is "one hundred forty-five billion, three hundred sixty-two million, five hundred twenty thousand, five hundred thirty-one".