148157569 has 16 divisors (see below), whose sum is σ = 173575168. Its totient is φ = 123841872.

The previous prime is 148157561. The next prime is 148157579. The reversal of 148157569 is 965751841.

It is not a de Polignac number, because 148157569 - 2³ = 148157561 is a prime.

It is a super-2 number, since 2×148157569² = 43901330503979522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148157561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46774 + ... + 49840.

It is an arithmetic number, because the mean of its divisors is an integer number (10848448).

Almost surely, 2^148157569 is an apocalyptic number.

It is an amenable number.

148157569 is a deficient number, since it is larger than the sum of its proper divisors (25417599).

148157569 is a wasteful number, since it uses less digits than its factorization.

148157569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244.

The product of its digits is 302400, while the sum is 46.

The square root of 148157569 is about 12171.9993838317. Note that the first 3 decimals coincide. The cubic root of 148157569 is about 529.1448997543.

The spelling of 148157569 in words is "one hundred forty-eight million, one hundred fifty-seven thousand, five hundred sixty-nine".