1554158942 has 16 divisors (see below), whose sum is σ = 2697999360. Its totient is φ = 657636408.

The previous prime is 1554158939. The next prime is 1554158959. The reversal of 1554158942 is 2498514551.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1554158893 and 1554158902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701498 + ... + 703709.

It is an arithmetic number, because the mean of its divisors is an integer number (168624960).

Almost surely, 2^1554158942 is an apocalyptic number.

1554158942 is a deficient number, since it is larger than the sum of its proper divisors (1143840418).

1554158942 is a wasteful number, since it uses less digits than its factorization.

1554158942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405295.

The product of its digits is 288000, while the sum is 44.

The square root of 1554158942 is about 39422.8226031572. The cubic root of 1554158942 is about 1158.3286826145.

The spelling of 1554158942 in words is "one billion, five hundred fifty-four million, one hundred fifty-eight thousand, nine hundred forty-two".