146019564 has 48 divisors (see below), whose sum is σ = 383775840. Its totient is φ = 48003840.

The previous prime is 146019547. The next prime is 146019581. The reversal of 146019564 is 465910641.

146019564 is a `hidden beast` number, since 1 + 460 + 195 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (146019547) and next prime (146019581).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377 + ... + 17144.

It is an arithmetic number, because the mean of its divisors is an integer number (7995330).

Almost surely, 2^146019564 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 146019564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191887920).

146019564 is an abundant number, since it is smaller than the sum of its proper divisors (237756276).

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

146019564 is a wasteful number, since it uses less digits than its factorization.

146019564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18607 (or 18599 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 146019564 is about 12083.8555105562. The cubic root of 146019564 is about 526.5872616138.

The spelling of 146019564 in words is "one hundred forty-six million, nineteen thousand, five hundred sixty-four".