1542472453 has 2 divisors, whose sum is σ = 1542472454. Its totient is φ = 1542472452.

The previous prime is 1542472429. The next prime is 1542472457. The reversal of 1542472453 is 3542742451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1445292289 + 97180164 = 38017^2 + 9858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1542472453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542472457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771236226 + 771236227.

It is an arithmetic number, because the mean of its divisors is an integer number (771236227).

Almost surely, 2^1542472453 is an apocalyptic number.

It is an amenable number.

1542472453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542472453 is an equidigital number, since it uses as much as digits as its factorization.

1542472453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 37.

The square root of 1542472453 is about 39274.3230750067. The cubic root of 1542472453 is about 1155.4180262569.

The spelling of 1542472453 in words is "one billion, five hundred forty-two million, four hundred seventy-two thousand, four hundred fifty-three".