1542159 has 20 divisors (see below), whose sum is σ = 2342560. Its totient is φ = 1010880.

The previous prime is 1542137. The next prime is 1542179. The reversal of 1542159 is 9512451.

It is not a de Polignac number, because 1542159 - 2⁷ = 1542031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542119) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6279 + ... + 6519.

It is an arithmetic number, because the mean of its divisors is an integer number (117128).

2^1542159 is an apocalyptic number.

1542159 is a deficient number, since it is larger than the sum of its proper divisors (800401).

1542159 is an equidigital number, since it uses as much as digits as its factorization.

1542159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 323 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 1542159 is about 1241.8369458186. The cubic root of 1542159 is about 115.5339754998.

The spelling of 1542159 in words is "one million, five hundred forty-two thousand, one hundred fifty-nine".