149347451552 has 48 divisors (see below), whose sum is σ = 316911790440. Its totient is φ = 68871585792.

The previous prime is 149347451507. The next prime is 149347451581. The reversal of 149347451552 is 255154743941.

It can be written as a sum of positive squares in 4 ways, for example, as 141312839056 + 8034612496 = 375916^2 + 89636^2 .

It is a super-2 number, since 2×149347451552² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149347451552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345824 + ... + 646752.

Almost surely, 2^149347451552 is an apocalyptic number.

It is an amenable number.

149347451552 is an abundant number, since it is smaller than the sum of its proper divisors (167564338888).

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

149347451552 is a wasteful number, since it uses less digits than its factorization.

149347451552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302145 (or 302137 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 50.

The spelling of 149347451552 in words is "one hundred forty-nine billion, three hundred forty-seven million, four hundred fifty-one thousand, five hundred fifty-two".