142155145400 has 24 divisors (see below), whose sum is σ = 330510713520. Its totient is φ = 56862058080.

The previous prime is 142155145397. The next prime is 142155145469. The reversal of 142155145400 is 4541551241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355387664 + ... + 355388063.

It is an arithmetic number, because the mean of its divisors is an integer number (13771279730).

Almost surely, 2^142155145400 is an apocalyptic number.

142155145400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142155145400 is an abundant number, since it is smaller than the sum of its proper divisors (188355568120).

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

142155145400 is a wasteful number, since it uses less digits than its factorization.

142155145400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710775743 (or 710775734 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 142155145400 its reverse (4541551241), we get a palindrome (146696696641).

The spelling of 142155145400 in words is "one hundred forty-two billion, one hundred fifty-five million, one hundred forty-five thousand, four hundred".