149274768 has 80 divisors (see below), whose sum is σ = 399474432. Its totient is φ = 48000000.

The previous prime is 149274767. The next prime is 149274781. The reversal of 149274768 is 867472941.

It is a super-2 number, since 2×149274768² = 44565912722907648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (149274767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198393 + ... + 199143.

Almost surely, 2^149274768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149274768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199737216).

149274768 is an abundant number, since it is smaller than the sum of its proper divisors (250199664).

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

149274768 is a wasteful number, since it uses less digits than its factorization.

149274768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 898 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 149274768 is about 12217.8053675773. The cubic root of 149274768 is about 530.4715963856.

The spelling of 149274768 in words is "one hundred forty-nine million, two hundred seventy-four thousand, seven hundred sixty-eight".