145046199615 has 64 divisors (see below), whose sum is σ = 250267041792. Its totient is φ = 71524252800.

The previous prime is 145046199589. The next prime is 145046199629. The reversal of 145046199615 is 516991640541.

It is a happy number.

It is not a de Polignac number, because 145046199615 - 2⁵ = 145046199583 is a prime.

It is a super-2 number, since 2×145046199615² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9735702 + ... + 9750588.

It is an arithmetic number, because the mean of its divisors is an integer number (3910422528).

Almost surely, 2^145046199615 is an apocalyptic number.

145046199615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145046199615 is a deficient number, since it is larger than the sum of its proper divisors (105220842177).

145046199615 is a wasteful number, since it uses less digits than its factorization.

145046199615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15860.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 145046199615 in words is "one hundred forty-five billion, forty-six million, one hundred ninety-nine thousand, six hundred fifteen".