144915416212840 has 128 divisors (see below), whose sum is σ = 403206147429120. Its totient is φ = 45645978470400.

The previous prime is 144915416212837. The next prime is 144915416212841. The reversal of 144915416212840 is 48212614519441.

It is a super-2 number, since 2×144915416212840² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (144915416212841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93573021 + ... + 95109100.

It is an arithmetic number, because the mean of its divisors is an integer number (3150048026790).

Almost surely, 2^{144915416212840} is an apocalyptic number.

144915416212840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144915416212840 is an abundant number, since it is smaller than the sum of its proper divisors (258290731216280).

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

144915416212840 is a wasteful number, since it uses less digits than its factorization.

144915416212840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188682363 (or 188682359 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 144915416212840 in words is "one hundred forty-four trillion, nine hundred fifteen billion, four hundred sixteen million, two hundred twelve thousand, eight hundred forty".