149400972537 has 8 divisors (see below), whose sum is σ = 201135290304. Its totient is φ = 98633651568.

The previous prime is 149400972443. The next prime is 149400972547. The reversal of 149400972537 is 735279004941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149400972537 - 2¹¹ = 149400970489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149400972537.

It is not an unprimeable number, because it can be changed into a prime (149400972547) 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 7 ways as a sum of consecutive naturals, for example, 241748838 + ... + 241749455.

It is an arithmetic number, because the mean of its divisors is an integer number (25141911288).

Almost surely, 2^149400972537 is an apocalyptic number.

It is an amenable number.

149400972537 is a deficient number, since it is larger than the sum of its proper divisors (51734317767).

149400972537 is a wasteful number, since it uses less digits than its factorization.

149400972537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483498399.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 149400972537 in words is "one hundred forty-nine billion, four hundred million, nine hundred seventy-two thousand, five hundred thirty-seven".