151520234 has 4 divisors (see below), whose sum is σ = 227280354. Its totient is φ = 75760116.

The previous prime is 151520227. The next prime is 151520267. The reversal of 151520234 is 432025151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432025151 = 29 ⋅14897419.

It can be written as a sum of positive squares in only one way, i.e., 118744609 + 32775625 = 10897^2 + 5725^2 .

It is a super-2 number, since 2×151520234² = 45916762622829512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37880057 + ... + 37880060.

Almost surely, 2^151520234 is an apocalyptic number.

151520234 is a deficient number, since it is larger than the sum of its proper divisors (75760120).

151520234 is an equidigital number, since it uses as much as digits as its factorization.

151520234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75760119.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 151520234 is about 12309.3555477125. The cubic root of 151520234 is about 533.1182430413.

Adding to 151520234 its reverse (432025151), we get a palindrome (583545385).

The spelling of 151520234 in words is "one hundred fifty-one million, five hundred twenty thousand, two hundred thirty-four".