145631862069 has 8 divisors (see below), whose sum is σ = 194202325152. Its totient is φ = 97074653520.

The previous prime is 145631862053. The next prime is 145631862071. The reversal of 145631862069 is 960268136541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145631862069 - 2⁴ = 145631862053 is a prime.

It is a super-2 number, since 2×145631862069² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145631862569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3287967 + ... + 3331964.

It is an arithmetic number, because the mean of its divisors is an integer number (24275290644).

Almost surely, 2^145631862069 is an apocalyptic number.

It is an amenable number.

145631862069 is a deficient number, since it is larger than the sum of its proper divisors (48570463083).

145631862069 is an equidigital number, since it uses as much as digits as its factorization.

145631862069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6627267.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 145631862069 in words is "one hundred forty-five billion, six hundred thirty-one million, eight hundred sixty-two thousand, sixty-nine".