1542472451 has 16 divisors (see below), whose sum is σ = 1679201664. Its totient is φ = 1408402944.

The previous prime is 1542472429. The next prime is 1542472453. The reversal of 1542472451 is 1542742451.

It is a de Polignac number, because none of the positive numbers 2^k-1542472451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1542472453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556070 + ... + 558836.

It is an arithmetic number, because the mean of its divisors is an integer number (104950104).

Almost surely, 2^1542472451 is an apocalyptic number.

1542472451 is a deficient number, since it is larger than the sum of its proper divisors (136729213).

1542472451 is a wasteful number, since it uses less digits than its factorization.

1542472451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230.

The product of its digits is 44800, while the sum is 35.

The square root of 1542472451 is about 39274.3230495447. The cubic root of 1542472451 is about 1155.4180257576.

The spelling of 1542472451 in words is "one billion, five hundred forty-two million, four hundred seventy-two thousand, four hundred fifty-one".