157032019 has 8 divisors (see below), whose sum is σ = 162459648. Its totient is φ = 151627080.

The previous prime is 157031993. The next prime is 157032047. The reversal of 157032019 is 910230751.

157032019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 157032019 - 2⁷ = 157031891 is a prime.

It is a super-2 number, since 2×157032019² = 49318109982432722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157032059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9054 + ... + 19900.

It is an arithmetic number, because the mean of its divisors is an integer number (20307456).

Almost surely, 2^157032019 is an apocalyptic number.

157032019 is a deficient number, since it is larger than the sum of its proper divisors (5427629).

157032019 is a wasteful number, since it uses less digits than its factorization.

157032019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11345.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 157032019 is about 12531.2417182018. The cubic root of 157032019 is about 539.5057423067.

The spelling of 157032019 in words is "one hundred fifty-seven million, thirty-two thousand, nineteen".