147181398 has 96 divisors (see below), whose sum is σ = 373502304. Its totient is φ = 38320128.

The previous prime is 147181387. The next prime is 147181421. The reversal of 147181398 is 893181741.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 370536 + ... + 370932.

It is an arithmetic number, because the mean of its divisors is an integer number (3890649).

Almost surely, 2^147181398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147181398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186751152).

147181398 is an abundant number, since it is smaller than the sum of its proper divisors (226320906).

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

147181398 is a wasteful number, since it uses less digits than its factorization.

147181398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 519 counting only the distinct ones).

The product of its digits is 48384, while the sum is 42.

The square root of 147181398 is about 12131.8340740384. The cubic root of 147181398 is about 527.9802061565.

The spelling of 147181398 in words is "one hundred forty-seven million, one hundred eighty-one thousand, three hundred ninety-eight".