151442946 has 48 divisors (see below), whose sum is σ = 341699904. Its totient is φ = 50270544.

The previous prime is 151442933. The next prime is 151442969. The reversal of 151442946 is 649244151.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 151442946.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153571 + ... + 154553.

It is an arithmetic number, because the mean of its divisors is an integer number (7118748).

Almost surely, 2^151442946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151442946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170849952).

151442946 is an abundant number, since it is smaller than the sum of its proper divisors (190256958).

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

151442946 is an equidigital number, since it uses as much as digits as its factorization.

151442946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1305 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 151442946 is about 12306.2157465242. The cubic root of 151442946 is about 533.0275826513.

The spelling of 151442946 in words is "one hundred fifty-one million, four hundred forty-two thousand, nine hundred forty-six".