145579672215 has 12 divisors (see below), whose sum is σ = 252338098584. Its totient is φ = 77642491824.

The previous prime is 145579672201. The next prime is 145579672313. The reversal of 145579672215 is 512276975541.

145579672215 is a `hidden beast` number, since 1 + 4 + 5 + 579 + 67 + 2 + 2 + 1 + 5 = 666.

It is not a de Polignac number, because 145579672215 - 2⁷ = 145579672087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1617551869 + ... + 1617551958.

It is an arithmetic number, because the mean of its divisors is an integer number (21028174882).

Almost surely, 2^145579672215 is an apocalyptic number.

145579672215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145579672215 is a deficient number, since it is larger than the sum of its proper divisors (106758426369).

145579672215 is a wasteful number, since it uses less digits than its factorization.

145579672215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235103838 (or 3235103835 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 54.

The spelling of 145579672215 in words is "one hundred forty-five billion, five hundred seventy-nine million, six hundred seventy-two thousand, two hundred fifteen".