157273334 has 4 divisors (see below), whose sum is σ = 235910004. Its totient is φ = 78636666.

The previous prime is 157273331. The next prime is 157273339. The reversal of 157273334 is 433372751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433372751 = 7 ⋅61910393.

It is a junction number, because it is equal to n+sod(n) for n = 157273294 and 157273303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157273331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39318332 + ... + 39318335.

It is an arithmetic number, because the mean of its divisors is an integer number (58977501).

Almost surely, 2^157273334 is an apocalyptic number.

157273334 is a deficient number, since it is larger than the sum of its proper divisors (78636670).

157273334 is an equidigital number, since it uses as much as digits as its factorization.

157273334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78636669.

The product of its digits is 52920, while the sum is 35.

The square root of 157273334 is about 12540.8665569808. The cubic root of 157273334 is about 539.7819581526.

The spelling of 157273334 in words is "one hundred fifty-seven million, two hundred seventy-three thousand, three hundred thirty-four".