1542229274 has 16 divisors (see below), whose sum is σ = 2329236000. Its totient is φ = 765828624.

The previous prime is 1542229253. The next prime is 1542229277. The reversal of 1542229274 is 4729222451.

It is a super-2 number, since 2×1542229274² = 4756942267165134152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1542229277) 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 7 ways as a sum of consecutive naturals, for example, 336752 + ... + 341300.

It is an arithmetic number, because the mean of its divisors is an integer number (145577250).

Almost surely, 2^1542229274 is an apocalyptic number.

1542229274 is a deficient number, since it is larger than the sum of its proper divisors (787006726).

1542229274 is a wasteful number, since it uses less digits than its factorization.

1542229274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677.

The product of its digits is 80640, while the sum is 38.

The square root of 1542229274 is about 39271.2270498389. The cubic root of 1542229274 is about 1155.3573037966.

The spelling of 1542229274 in words is "one billion, five hundred forty-two million, two hundred twenty-nine thousand, two hundred seventy-four".