145260938977231 has 240 divisors, whose sum is σ = 203722263879680. Its totient is φ = 103093777987200.

The previous prime is 145260938977081. The next prime is 145260938977267. The reversal of 145260938977231 is 132779839062541.

It is not a de Polignac number, because 145260938977231 - 2¹⁷ = 145260938846159 is a prime.

It is a super-2 number, since 2×145260938977231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145260938977031) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 26865345730 + ... + 26865351136.

It is a 1-persistent number, because it is pandigital, but 2⋅145260938977231 = 290521877954462 is not.

Almost surely, 2^{145260938977231} is an apocalyptic number.

145260938977231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145260938977231 is a deficient number, since it is larger than the sum of its proper divisors (58461324902449).

145260938977231 is a wasteful number, since it uses less digits than its factorization.

145260938977231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5664 (or 5632 counting only the distinct ones).

The product of its (nonzero) digits is 137168640, while the sum is 67.

The spelling of 145260938977231 in words is "one hundred forty-five trillion, two hundred sixty billion, nine hundred thirty-eight million, nine hundred seventy-seven thousand, two hundred thirty-one".