149157792 has 144 divisors (see below), whose sum is σ = 488359872. Its totient is φ = 42301440.

The previous prime is 149157781. The next prime is 149157793. The reversal of 149157792 is 297751941.

149157792 is a `hidden beast` number, since 1 + 491 + 5 + 77 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (149157793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 485703 + ... + 486009.

It is an arithmetic number, because the mean of its divisors is an integer number (3391388).

Almost surely, 2^149157792 is an apocalyptic number.

149157792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149157792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244179936).

149157792 is an abundant number, since it is smaller than the sum of its proper divisors (339202080).

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

149157792 is a wasteful number, since it uses less digits than its factorization.

149157792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 560 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 149157792 is about 12213.0173176001. The cubic root of 149157792 is about 530.3329959106.

The spelling of 149157792 in words is "one hundred forty-nine million, one hundred fifty-seven thousand, seven hundred ninety-two".