1542202158 has 32 divisors (see below), whose sum is σ = 3732390144. Its totient is φ = 414709632.

The previous prime is 1542202157. The next prime is 1542202177. The reversal of 1542202158 is 8512022451.

It is a super-2 number, since 2×1542202158² = 4756774992279713928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542202153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079260 + ... + 1080687.

It is an arithmetic number, because the mean of its divisors is an integer number (116637192).

Almost surely, 2^1542202158 is an apocalyptic number.

1542202158 is an abundant number, since it is smaller than the sum of its proper divisors (2190187986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1542202158 is a wasteful number, since it uses less digits than its factorization.

1542202158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159976.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 1542202158 is about 39270.8818082813. The cubic root of 1542202158 is about 1155.3505324618.

The spelling of 1542202158 in words is "one billion, five hundred forty-two million, two hundred two thousand, one hundred fifty-eight".