151540234 has 8 divisors (see below), whose sum is σ = 233453988. Its totient is φ = 73722240.

The previous prime is 151540229. The next prime is 151540237. The reversal of 151540234 is 432045151.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 150136009 + 1404225 = 12253^2 + 1185^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 151540199 and 151540208.

It is not an unprimeable number, because it can be changed into a prime (151540237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023847 + ... + 1023994.

Almost surely, 2^151540234 is an apocalyptic number.

151540234 is a deficient number, since it is larger than the sum of its proper divisors (81913754).

151540234 is a wasteful number, since it uses less digits than its factorization.

151540234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047880.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 151540234 is about 12310.1679111213. The cubic root of 151540234 is about 533.1416984252.

Adding to 151540234 its reverse (432045151), we get a palindrome (583585385).

The spelling of 151540234 in words is "one hundred fifty-one million, five hundred forty thousand, two hundred thirty-four".