1425145542 has 16 divisors (see below), whose sum is σ = 2856479472. Its totient is φ = 474017120.

The previous prime is 1425145529. The next prime is 1425145661. The reversal of 1425145542 is 2455415241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254853 + ... + 260384.

It is an arithmetic number, because the mean of its divisors is an integer number (178529967).

Almost surely, 2^1425145542 is an apocalyptic number.

1425145542 is an abundant number, since it is smaller than the sum of its proper divisors (1431333930).

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

1425145542 is a wasteful number, since it uses less digits than its factorization.

1425145542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515703.

The product of its digits is 32000, while the sum is 33.

The square root of 1425145542 is about 37751.0998780168. The cubic root of 1425145542 is about 1125.3468670655.

The spelling of 1425145542 in words is "one billion, four hundred twenty-five million, one hundred forty-five thousand, five hundred forty-two".