149694497472 has 56 divisors (see below), whose sum is σ = 426533366896. Its totient is φ = 46059844608.

The previous prime is 149694497471. The next prime is 149694497483. The reversal of 149694497472 is 274794496941.

It is a happy number.

It is a super-2 number, since 2×149694497472² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149694497471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29984383 + ... + 29989374.

It is an arithmetic number, because the mean of its divisors is an integer number (7616667266).

Almost surely, 2^149694497472 is an apocalyptic number.

149694497472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149694497472 is an abundant number, since it is smaller than the sum of its proper divisors (276838869424).

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

149694497472 is a wasteful number, since it uses less digits than its factorization.

149694497472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59973785 (or 59973775 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 66.

The spelling of 149694497472 in words is "one hundred forty-nine billion, six hundred ninety-four million, four hundred ninety-seven thousand, four hundred seventy-two".