1542013450 has 12 divisors (see below), whose sum is σ = 2868145110. Its totient is φ = 616805360.

The previous prime is 1542013427. The next prime is 1542013453. The reversal of 1542013450 is 543102451.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 679592761 + 862420689 = 26069^2 + 29367^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1542013453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15420085 + ... + 15420184.

Almost surely, 2^1542013450 is an apocalyptic number.

1542013450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1542013450 is a deficient number, since it is larger than the sum of its proper divisors (1326131660).

1542013450 is a wasteful number, since it uses less digits than its factorization.

1542013450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30840281 (or 30840276 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1542013450 is about 39268.4790894682. The cubic root of 1542013450 is about 1155.3034066077.

The spelling of 1542013450 in words is "one billion, five hundred forty-two million, thirteen thousand, four hundred fifty".