149335947515 has 32 divisors (see below), whose sum is σ = 181984968000. Its totient is φ = 117631987200.

The previous prime is 149335947487. The next prime is 149335947521. The reversal of 149335947515 is 515749533941.

It is a happy number.

It is not a de Polignac number, because 149335947515 - 2¹⁰ = 149335946491 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54322361 + ... + 54325109.

It is an arithmetic number, because the mean of its divisors is an integer number (5687030250).

Almost surely, 2^149335947515 is an apocalyptic number.

149335947515 is a deficient number, since it is larger than the sum of its proper divisors (32649020485).

149335947515 is a wasteful number, since it uses less digits than its factorization.

149335947515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503.

The product of its digits is 10206000, while the sum is 56.

The spelling of 149335947515 in words is "one hundred forty-nine billion, three hundred thirty-five million, nine hundred forty-seven thousand, five hundred fifteen".