149519874 has 80 divisors (see below), whose sum is σ = 355749408. Its totient is φ = 41884416.

The previous prime is 149519869. The next prime is 149519893. The reversal of 149519874 is 478915941.

Its product of digits (362880) is a multiple of the sum of its prime divisors (216).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1397329 + ... + 1397435.

Almost surely, 2^149519874 is an apocalyptic number.

149519874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 149519874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177874704).

149519874 is an abundant number, since it is smaller than the sum of its proper divisors (206229534).

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

149519874 is an equidigital number, since it uses as much as digits as its factorization.

149519874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 216 counting only the distinct ones).

The product of its digits is 362880, while the sum is 48.

The square root of 149519874 is about 12227.8319419266. The cubic root of 149519874 is about 530.7617786523.

The spelling of 149519874 in words is "one hundred forty-nine million, five hundred nineteen thousand, eight hundred seventy-four".