145335674645 has 16 divisors (see below), whose sum is σ = 199326002688. Its totient is φ = 99654495360.

The previous prime is 145335674641. The next prime is 145335674651. The reversal of 145335674645 is 546476533541.

It is a happy number.

It is not a de Polignac number, because 145335674645 - 2² = 145335674641 is a prime.

It is a super-2 number, since 2×145335674645² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145335674641) 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, 897977 + ... + 1047393.

It is an arithmetic number, because the mean of its divisors is an integer number (12457875168).

Almost surely, 2^145335674645 is an apocalyptic number.

It is an amenable number.

145335674645 is a deficient number, since it is larger than the sum of its proper divisors (53990328043).

145335674645 is a wasteful number, since it uses less digits than its factorization.

145335674645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177220.

The product of its digits is 18144000, while the sum is 53.

The spelling of 145335674645 in words is "one hundred forty-five billion, three hundred thirty-five million, six hundred seventy-four thousand, six hundred forty-five".