145503016251 has 16 divisors (see below), whose sum is σ = 194881150464. Its totient is φ = 96564243744.

The previous prime is 145503016249. The next prime is 145503016259. The reversal of 145503016251 is 152610305541.

It is not a de Polignac number, because 145503016251 - 2¹ = 145503016249 is a prime.

It is a super-2 number, since 2×145503016251² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145503016259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634926 + ... + 833148.

It is an arithmetic number, because the mean of its divisors is an integer number (12180071904).

Almost surely, 2^145503016251 is an apocalyptic number.

145503016251 is a deficient number, since it is larger than the sum of its proper divisors (49378134213).

145503016251 is a wasteful number, since it uses less digits than its factorization.

145503016251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199330.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 145503016251 in words is "one hundred forty-five billion, five hundred three million, sixteen thousand, two hundred fifty-one".