157073019 has 32 divisors (see below), whose sum is σ = 229824000. Its totient is φ = 95042304.

The previous prime is 157073017. The next prime is 157073027. The reversal of 157073019 is 910370751.

It is not a de Polignac number, because 157073019 - 2¹ = 157073017 is a prime.

It is a super-2 number, since 2×157073019² = 49343866595548722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157073011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275767 + ... + 276335.

It is an arithmetic number, because the mean of its divisors is an integer number (7182000).

Almost surely, 2^157073019 is an apocalyptic number.

157073019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

157073019 is a deficient number, since it is larger than the sum of its proper divisors (72750981).

157073019 is a wasteful number, since it uses less digits than its factorization.

157073019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787.

The product of its (nonzero) digits is 6615, while the sum is 33.

The square root of 157073019 is about 12532.8775227399. The cubic root of 157073019 is about 539.5526919898.

The spelling of 157073019 in words is "one hundred fifty-seven million, seventy-three thousand, nineteen".