157234034 has 4 divisors (see below), whose sum is σ = 235851054. Its totient is φ = 78617016.

The previous prime is 157234031. The next prime is 157234061. The reversal of 157234034 is 430432751.

It is a happy number.

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., 109139809 + 48094225 = 10447^2 + 6935^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157233988 and 157234006.

It is not an unprimeable number, because it can be changed into a prime (157234031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39308507 + ... + 39308510.

Almost surely, 2^157234034 is an apocalyptic number.

157234034 is a deficient number, since it is larger than the sum of its proper divisors (78617020).

157234034 is an equidigital number, since it uses as much as digits as its factorization.

157234034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78617019.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 157234034 is about 12539.2995817151. The cubic root of 157234034 is about 539.7369935516.

Adding to 157234034 its reverse (430432751), we get a palindrome (587666785).

The spelling of 157234034 in words is "one hundred fifty-seven million, two hundred thirty-four thousand, thirty-four".