151540254 has 32 divisors (see below), whose sum is σ = 348372000. Its totient is φ = 48771072.

The previous prime is 151540253. The next prime is 151540327. The reversal of 151540254 is 452045151.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151540253) 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, 46819 + ... + 49950.

It is an arithmetic number, because the mean of its divisors is an integer number (10886625).

Almost surely, 2^151540254 is an apocalyptic number.

151540254 is an abundant number, since it is smaller than the sum of its proper divisors (196831746).

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

151540254 is a wasteful number, since it uses less digits than its factorization.

151540254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96809 (or 96803 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 151540254 is about 12310.1687234579. The cubic root of 151540254 is about 533.1417218795.

The spelling of 151540254 in words is "one hundred fifty-one million, five hundred forty thousand, two hundred fifty-four".