151305642 has 24 divisors (see below), whose sum is σ = 329209920. Its totient is φ = 50222760.

The previous prime is 151305613. The next prime is 151305647. The reversal of 151305642 is 246503151.

151305642 is a `hidden beast` number, since 1 + 5 + 13 + 0 + 5 + 642 = 666.

It is not an unprimeable number, because it can be changed into a prime (151305647) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13284 + ... + 21887.

It is an arithmetic number, because the mean of its divisors is an integer number (13717080).

Almost surely, 2^151305642 is an apocalyptic number.

151305642 is an abundant number, since it is smaller than the sum of its proper divisors (177904278).

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

151305642 is a wasteful number, since it uses less digits than its factorization.

151305642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35418 (or 35415 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 151305642 is about 12300.6358372240. The cubic root of 151305642 is about 532.8664461743.

Adding to 151305642 its reverse (246503151), we get a palindrome (397808793).

The spelling of 151305642 in words is "one hundred fifty-one million, three hundred five thousand, six hundred forty-two".