145394265635 has 16 divisors (see below), whose sum is σ = 176318964192. Its totient is φ = 115085491200.

The previous prime is 145394265619. The next prime is 145394265647. The reversal of 145394265635 is 536562493541.

It is a Cunningham number, because it is equal to 381306²-1.

It is not a de Polignac number, because 145394265635 - 2⁴ = 145394265619 is a prime.

It is a super-2 number, since 2×145394265635² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1868405 + ... + 1944665.

It is an arithmetic number, because the mean of its divisors is an integer number (11019935262).

Almost surely, 2^145394265635 is an apocalyptic number.

145394265635 is a deficient number, since it is larger than the sum of its proper divisors (30924698557).

145394265635 is an equidigital number, since it uses as much as digits as its factorization.

145394265635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80294.

The product of its digits is 11664000, while the sum is 53.

The spelling of 145394265635 in words is "one hundred forty-five billion, three hundred ninety-four million, two hundred sixty-five thousand, six hundred thirty-five".