1542754474 has 4 divisors (see below), whose sum is σ = 2314131714. Its totient is φ = 771377236.

The previous prime is 1542754453. The next prime is 1542754487. The reversal of 1542754474 is 4744572451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4744572451 = 26417 ⋅179603.

It can be written as a sum of positive squares in only one way, i.e., 903423249 + 639331225 = 30057^2 + 25285^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1542754474.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385688617 + ... + 385688620.

Almost surely, 2^1542754474 is an apocalyptic number.

1542754474 is a deficient number, since it is larger than the sum of its proper divisors (771377240).

1542754474 is an equidigital number, since it uses as much as digits as its factorization.

1542754474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771377239.

The product of its digits is 627200, while the sum is 43.

The square root of 1542754474 is about 39277.9133101543. The cubic root of 1542754474 is about 1155.4884396786.

The spelling of 1542754474 in words is "one billion, five hundred forty-two million, seven hundred fifty-four thousand, four hundred seventy-four".