149938943955 has 32 divisors (see below), whose sum is σ = 245513638656. Its totient is φ = 78097482624.

The previous prime is 149938943951. The next prime is 149938943969. The reversal of 149938943955 is 559349839941.

It is not a de Polignac number, because 149938943955 - 2² = 149938943951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149938943955.

It is not an unprimeable number, because it can be changed into a prime (149938943951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9701464 + ... + 9716906.

It is an arithmetic number, because the mean of its divisors is an integer number (7672301208).

Almost surely, 2^149938943955 is an apocalyptic number.

149938943955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149938943955 is a deficient number, since it is larger than the sum of its proper divisors (95574694701).

149938943955 is a wasteful number, since it uses less digits than its factorization.

149938943955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30547.

The product of its digits is 188956800, while the sum is 69.

The spelling of 149938943955 in words is "one hundred forty-nine billion, nine hundred thirty-eight million, nine hundred forty-three thousand, nine hundred fifty-five".