1542472452 has 36 divisors (see below), whose sum is σ = 3919458816. Its totient is φ = 511463280.

The previous prime is 1542472429. The next prime is 1542472453. The reversal of 1542472452 is 2542742451.

1542472452 is a `hidden beast` number, since 1 + 542 + 4 + 72 + 45 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105288 + ... + 119039.

It is an arithmetic number, because the mean of its divisors is an integer number (108873856).

Almost surely, 2^1542472452 is an apocalyptic number.

1542472452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1542472452 is an abundant number, since it is smaller than the sum of its proper divisors (2376986364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1542472452 is a wasteful number, since it uses less digits than its factorization.

1542472452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224528 (or 224523 counting only the distinct ones).

The product of its digits is 89600, while the sum is 36.

The square root of 1542472452 is about 39274.3230622757. The cubic root of 1542472452 is about 1155.4180260072.

The spelling of 1542472452 in words is "one billion, five hundred forty-two million, four hundred seventy-two thousand, four hundred fifty-two".