145651502025331 has 16 divisors (see below), whose sum is σ = 154725120000000. Its totient is φ = 136718678113056.

The previous prime is 145651502025329. The next prime is 145651502025389. The reversal of 145651502025331 is 133520205156541.

It is a cyclic number.

It is not a de Polignac number, because 145651502025331 - 2¹ = 145651502025329 is a prime.

It is a super-2 number, since 2×145651502025331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145651502025031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524733420 + ... + 525010918.

It is an arithmetic number, because the mean of its divisors is an integer number (9670320000000).

Almost surely, 2^{145651502025331} is an apocalyptic number.

145651502025331 is a deficient number, since it is larger than the sum of its proper divisors (9073617974669).

145651502025331 is a wasteful number, since it uses less digits than its factorization.

145651502025331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531066.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 145651502025331 in words is "one hundred forty-five trillion, six hundred fifty-one billion, five hundred two million, twenty-five thousand, three hundred thirty-one".