149256823384 has 32 divisors (see below), whose sum is σ = 283860656640. Its totient is φ = 73568196000.

The previous prime is 149256823337. The next prime is 149256823393. The reversal of 149256823384 is 483328652941.

It is a happy number.

It is a super-2 number, since 2×149256823384² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 313344 + ... + 629839.

It is an arithmetic number, because the mean of its divisors is an integer number (8870645520).

Almost surely, 2^149256823384 is an apocalyptic number.

It is an amenable number.

149256823384 is a deficient number, since it is larger than the sum of its proper divisors (134603833256).

149256823384 is a wasteful number, since it uses less digits than its factorization.

149256823384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943471 (or 943467 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 55.

The spelling of 149256823384 in words is "one hundred forty-nine billion, two hundred fifty-six million, eight hundred twenty-three thousand, three hundred eighty-four".