151951892442 has 24 divisors (see below), whose sum is σ = 347324385696. Its totient is φ = 43414104624.

The previous prime is 151951892423. The next prime is 151951892447. The reversal of 151951892442 is 244298159151.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (151951892447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2496184 + ... + 2556332.

It is an arithmetic number, because the mean of its divisors is an integer number (14471849404).

Almost surely, 2^151951892442 is an apocalyptic number.

151951892442 is an abundant number, since it is smaller than the sum of its proper divisors (195372493254).

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

151951892442 is an frugal number, since it uses more digits than its factorization.

151951892442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120310 (or 60161 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 51.

The spelling of 151951892442 in words is "one hundred fifty-one billion, nine hundred fifty-one million, eight hundred ninety-two thousand, four hundred forty-two".