157242014 has 4 divisors (see below), whose sum is σ = 235863024. Its totient is φ = 78621006.

The previous prime is 157241999. The next prime is 157242017. The reversal of 157242014 is 410242751.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157242017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39310502 + ... + 39310505.

It is an arithmetic number, because the mean of its divisors is an integer number (58965756).

Almost surely, 2^157242014 is an apocalyptic number.

157242014 is a deficient number, since it is larger than the sum of its proper divisors (78621010).

157242014 is an equidigital number, since it uses as much as digits as its factorization.

157242014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78621009.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 157242014 is about 12539.6177772690. The cubic root of 157242014 is about 539.7461243745.

Adding to 157242014 its reverse (410242751), we get a palindrome (567484765).

The spelling of 157242014 in words is "one hundred fifty-seven million, two hundred forty-two thousand, fourteen".