151542122 has 4 divisors (see below), whose sum is σ = 227313186. Its totient is φ = 75771060.

The previous prime is 151542113. The next prime is 151542137. The reversal of 151542122 is 221245151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 95277121 + 56265001 = 9761^2 + 7501^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37885529 + ... + 37885532.

Almost surely, 2^151542122 is an apocalyptic number.

151542122 is a deficient number, since it is larger than the sum of its proper divisors (75771064).

151542122 is an equidigital number, since it uses as much as digits as its factorization.

151542122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75771063.

The product of its digits is 800, while the sum is 23.

The square root of 151542122 is about 12310.2445954579. The cubic root of 151542122 is about 533.1439125068.

Adding to 151542122 its reverse (221245151), we get a palindrome (372787273).

The spelling of 151542122 in words is "one hundred fifty-one million, five hundred forty-two thousand, one hundred twenty-two".