146997504 has 216 divisors, whose sum is σ = 468730080. Its totient is φ = 45785088.

The previous prime is 146997503. The next prime is 146997511. The reversal of 146997504 is 405799641.

It is a tau number, because it is divible by the number of its divisors (216).

It is a self number, because there is not a number n which added to its sum of digits gives 146997504.

It is not an unprimeable number, because it can be changed into a prime (146997503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1057467 + ... + 1057605.

Almost surely, 2^146997504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146997504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234365040).

146997504 is an abundant number, since it is smaller than the sum of its proper divisors (321732576).

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

146997504 is an equidigital number, since it uses as much as digits as its factorization.

146997504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 146997504 is about 12124.2527192401. The cubic root of 146997504 is about 527.7602217055.

The spelling of 146997504 in words is "one hundred forty-six million, nine hundred ninety-seven thousand, five hundred four".