151113538 has 4 divisors (see below), whose sum is σ = 226670310. Its totient is φ = 75556768.

The previous prime is 151113533. The next prime is 151113539. The reversal of 151113538 is 835311151.

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., 83594449 + 67519089 = 9143^2 + 8217^2 .

It is not an unprimeable number, because it can be changed into a prime (151113533) by changing a digit.

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, 37778383 + ... + 37778386.

Almost surely, 2^151113538 is an apocalyptic number.

151113538 is a deficient number, since it is larger than the sum of its proper divisors (75556772).

151113538 is an equidigital number, since it uses as much as digits as its factorization.

151113538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75556771.

The product of its digits is 1800, while the sum is 28.

The square root of 151113538 is about 12292.8246550579. The cubic root of 151113538 is about 532.6408341226.

Adding to 151113538 its reverse (835311151), we get a palindrome (986424689).

The spelling of 151113538 in words is "one hundred fifty-one million, one hundred thirteen thousand, five hundred thirty-eight".