145401536775 has 96 divisors (see below), whose sum is σ = 277850573568. Its totient is φ = 66309580800.

The previous prime is 145401536773. The next prime is 145401536779. The reversal of 145401536775 is 577635104541.

It is not a de Polignac number, because 145401536775 - 2¹ = 145401536773 is a prime.

It is a super-2 number, since 2×145401536775² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145401536773) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44696049 + ... + 44699301.

It is an arithmetic number, because the mean of its divisors is an integer number (2894276808).

Almost surely, 2^145401536775 is an apocalyptic number.

145401536775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145401536775 is a deficient number, since it is larger than the sum of its proper divisors (132449036793).

145401536775 is a wasteful number, since it uses less digits than its factorization.

145401536775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6481 (or 6476 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 145401536775 in words is "one hundred forty-five billion, four hundred one million, five hundred thirty-six thousand, seven hundred seventy-five".