147985228117452 has 96 divisors (see below), whose sum is σ = 405736733445120. Its totient is φ = 41495802223680.

The previous prime is 147985228117439. The next prime is 147985228117501. The reversal of 147985228117452 is 254711822589741.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 685999998 + ... + 686215685.

It is an arithmetic number, because the mean of its divisors is an integer number (4226424306720).

Almost surely, 2^{147985228117452} is an apocalyptic number.

147985228117452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147985228117452 is an abundant number, since it is smaller than the sum of its proper divisors (257751505327668).

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

147985228117452 is a wasteful number, since it uses less digits than its factorization.

147985228117452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372215763 (or 1372215761 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 66.

The spelling of 147985228117452 in words is "one hundred forty-seven trillion, nine hundred eighty-five billion, two hundred twenty-eight million, one hundred seventeen thousand, four hundred fifty-two".