147123550 has 24 divisors (see below), whose sum is σ = 312743376. Its totient is φ = 50442240.

The previous prime is 147123547. The next prime is 147123589. The reversal of 147123550 is 55321741.

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 11 ways as a sum of consecutive naturals, for example, 209827 + ... + 210526.

It is an arithmetic number, because the mean of its divisors is an integer number (13030974).

Almost surely, 2^147123550 is an apocalyptic number.

147123550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147123550 is an abundant number, since it is smaller than the sum of its proper divisors (165619826).

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

147123550 is a wasteful number, since it uses less digits than its factorization.

147123550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420372 (or 420367 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 147123550 is about 12129.4496989765. The cubic root of 147123550 is about 527.9110248566.

The spelling of 147123550 in words is "one hundred forty-seven million, one hundred twenty-three thousand, five hundred fifty".