147397578 has 16 divisors (see below), whose sum is σ = 295098336. Its totient is φ = 49082000.

The previous prime is 147397559. The next prime is 147397589. The reversal of 147397578 is 875793741.

It is a self number, because there is not a number n which added to its sum of digits gives 147397578.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6048 + ... + 18203.

It is an arithmetic number, because the mean of its divisors is an integer number (18443646).

Almost surely, 2^147397578 is an apocalyptic number.

147397578 is an abundant number, since it is smaller than the sum of its proper divisors (147700758).

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

147397578 is a wasteful number, since it uses less digits than its factorization.

147397578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25269.

The product of its digits is 1481760, while the sum is 51.

The square root of 147397578 is about 12140.7404222313. The cubic root of 147397578 is about 528.2385787628.

The spelling of 147397578 in words is "one hundred forty-seven million, three hundred ninety-seven thousand, five hundred seventy-eight".