149147802492 has 48 divisors (see below), whose sum is σ = 376390254240. Its totient is φ = 45694660608.

The previous prime is 149147802491. The next prime is 149147802497. The reversal of 149147802492 is 294208741941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149147802491) 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 15 ways as a sum of consecutive naturals, for example, 2015317 + ... + 2088012.

It is an arithmetic number, because the mean of its divisors is an integer number (7841463630).

Almost surely, 2^149147802492 is an apocalyptic number.

149147802492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149147802492 is an abundant number, since it is smaller than the sum of its proper divisors (227242451748).

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

149147802492 is a wasteful number, since it uses less digits than its factorization.

149147802492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103582 (or 4103580 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 149147802492 in words is "one hundred forty-nine billion, one hundred forty-seven million, eight hundred two thousand, four hundred ninety-two".