149942502 has 60 divisors (see below), whose sum is σ = 344102220. Its totient is φ = 48800664.

The previous prime is 149942491. The next prime is 149942539. The reversal of 149942502 is 205249941.

149942502 is a `hidden beast` number, since 149 + 9 + 4 + 2 + 502 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 357649 + ... + 358067.

It is an arithmetic number, because the mean of its divisors is an integer number (5735037).

Almost surely, 2^149942502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149942502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172051110).

149942502 is an abundant number, since it is smaller than the sum of its proper divisors (194159718).

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

149942502 is an equidigital number, since it uses as much as digits as its factorization.

149942502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 149942502 is about 12245.1011429061. The cubic root of 149942502 is about 531.2613862012.

The spelling of 149942502 in words is "one hundred forty-nine million, nine hundred forty-two thousand, five hundred two".