157443069 has 32 divisors (see below), whose sum is σ = 255018240. Its totient is φ = 84344832.

The previous prime is 157443067. The next prime is 157443071. The reversal of 157443069 is 960344751.

It is an interprime number because it is at equal distance from previous prime (157443067) and next prime (157443071).

It is not a de Polignac number, because 157443069 - 2¹ = 157443067 is a prime.

It is a super-2 number, since 2×157443069² = 49576639952277522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157443067) 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, 111037 + ... + 112445.

It is an arithmetic number, because the mean of its divisors is an integer number (7969320).

Almost surely, 2^157443069 is an apocalyptic number.

It is an amenable number.

157443069 is a deficient number, since it is larger than the sum of its proper divisors (97575171).

157443069 is a wasteful number, since it uses less digits than its factorization.

157443069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 157443069 is about 12547.6320076738. The cubic root of 157443069 is about 539.9760723280.

The spelling of 157443069 in words is "one hundred fifty-seven million, four hundred forty-three thousand, sixty-nine".