149657049642 has 8 divisors (see below), whose sum is σ = 299314099296. Its totient is φ = 49885683212.

The previous prime is 149657049613. The next prime is 149657049673. The reversal of 149657049642 is 246940756941.

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

149657049642 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12471420798 + ... + 12471420809.

It is an arithmetic number, because the mean of its divisors is an integer number (37414262412).

Almost surely, 2^149657049642 is an apocalyptic number.

149657049642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149657049642 is a wasteful number, since it uses less digits than its factorization.

149657049642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24942841612.

The product of its (nonzero) digits is 13063680, while the sum is 57.

It can be divided in two parts, 14965 and 7049642, that added together give a palindrome (7064607).

The spelling of 149657049642 in words is "one hundred forty-nine billion, six hundred fifty-seven million, forty-nine thousand, six hundred forty-two".