1542234154 has 4 divisors (see below), whose sum is σ = 2313351234. Its totient is φ = 771117076.

The previous prime is 1542234151. The next prime is 1542234179. The reversal of 1542234154 is 4514322451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1381831929 + 160402225 = 37173^2 + 12665^2 .

It is not an unprimeable number, because it can be changed into a prime (1542234151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385558537 + ... + 385558540.

Almost surely, 2^1542234154 is an apocalyptic number.

1542234154 is a deficient number, since it is larger than the sum of its proper divisors (771117080).

1542234154 is an equidigital number, since it uses as much as digits as its factorization.

1542234154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771117079.

The product of its digits is 19200, while the sum is 31.

The square root of 1542234154 is about 39271.2891817928. The cubic root of 1542234154 is about 1155.3585224087.

The spelling of 1542234154 in words is "one billion, five hundred forty-two million, two hundred thirty-four thousand, one hundred fifty-four".