142575450440 has 32 divisors (see below), whose sum is σ = 321028532280. Its totient is φ = 56988621312.

The previous prime is 142575450401. The next prime is 142575450473. The reversal of 142575450440 is 44054575241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 140173862404 + 2401588036 = 374398^2 + 49006^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243109 + ... + 1352948.

Almost surely, 2^142575450440 is an apocalyptic number.

142575450440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142575450440 is an abundant number, since it is smaller than the sum of its proper divisors (178453081840).

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

142575450440 is a wasteful number, since it uses less digits than its factorization.

142575450440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597441 (or 2597437 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 41.

The spelling of 142575450440 in words is "one hundred forty-two billion, five hundred seventy-five million, four hundred fifty thousand, four hundred forty".