149145737850 has 72 divisors (see below), whose sum is σ = 400893601212. Its totient is φ = 39753465600.

The previous prime is 149145737801. The next prime is 149145737861. The reversal of 149145737850 is 58737541941.

149145737850 is a `hidden beast` number, since 1 + 4 + 9 + 14 + 573 + 7 + 8 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 12202074369 + 136943663481 = 110463^2 + 370059^2 .

It is a super-2 number, since 2×149145737850² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 891880 + ... + 1045820.

Almost surely, 2^149145737850 is an apocalyptic number.

149145737850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149145737850 is an abundant number, since it is smaller than the sum of its proper divisors (251747863362).

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

149145737850 is a wasteful number, since it uses less digits than its factorization.

149145737850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156112 (or 156104 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 149145737850 in words is "one hundred forty-nine billion, one hundred forty-five million, seven hundred thirty-seven thousand, eight hundred fifty".