151235146 has 4 divisors (see below), whose sum is σ = 226852722. Its totient is φ = 75617572.

The previous prime is 151235099. The next prime is 151235159. The reversal of 151235146 is 641532151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641532151 = 13 ⋅49348627.

It can be written as a sum of positive squares in only one way, i.e., 151167025 + 68121 = 12295^2 + 261^2 .

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, 37808785 + ... + 37808788.

Almost surely, 2^151235146 is an apocalyptic number.

151235146 is a deficient number, since it is larger than the sum of its proper divisors (75617576).

151235146 is an equidigital number, since it uses as much as digits as its factorization.

151235146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75617575.

The product of its digits is 3600, while the sum is 28.

The square root of 151235146 is about 12297.7699604440. The cubic root of 151235146 is about 532.7836759879.

Adding to 151235146 its reverse (641532151), we get a palindrome (792767297).

The spelling of 151235146 in words is "one hundred fifty-one million, two hundred thirty-five thousand, one hundred forty-six".