149507938143 has 12 divisors (see below), whose sum is σ = 216003757840. Its totient is φ = 99649875456.

The previous prime is 149507938141. The next prime is 149507938163. The reversal of 149507938143 is 341839705941.

149507938143 is a `hidden beast` number, since 1 + 4 + 9 + 507 + 93 + 8 + 1 + 43 = 666.

It is not a de Polignac number, because 149507938143 - 2¹ = 149507938141 is a prime.

It is a super-2 number, since 2×149507938143² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149507938143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149507938141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1797346 + ... + 1878687.

Almost surely, 2^149507938143 is an apocalyptic number.

149507938143 is a deficient number, since it is larger than the sum of its proper divisors (66495819697).

149507938143 is a wasteful number, since it uses less digits than its factorization.

149507938143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680558 (or 3680555 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 149507938143 in words is "one hundred forty-nine billion, five hundred seven million, nine hundred thirty-eight thousand, one hundred forty-three".