149912087642 has 16 divisors (see below), whose sum is σ = 239637457152. Its totient is φ = 70171614480.

The previous prime is 149912087641. The next prime is 149912087651. The reversal of 149912087642 is 246780219941.

It is not an unprimeable number, because it can be changed into a prime (149912087641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34667609 + ... + 34671932.

It is an arithmetic number, because the mean of its divisors is an integer number (14977341072).

Almost surely, 2^149912087642 is an apocalyptic number.

149912087642 is a deficient number, since it is larger than the sum of its proper divisors (89725369510).

149912087642 is a wasteful number, since it uses less digits than its factorization.

149912087642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69339613.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 149912087642 in words is "one hundred forty-nine billion, nine hundred twelve million, eighty-seven thousand, six hundred forty-two".