146044481 has 4 divisors (see below), whose sum is σ = 159321264. Its totient is φ = 132767700.

The previous prime is 146044453. The next prime is 146044487. The reversal of 146044481 is 184440641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146044481 - 2²⁶ = 78935617 is a prime.

It is a super-2 number, since 2×146044481² = 42657980861118722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146044487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6638375 + ... + 6638396.

It is an arithmetic number, because the mean of its divisors is an integer number (39830316).

Almost surely, 2^146044481 is an apocalyptic number.

146044481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146044481 is a deficient number, since it is larger than the sum of its proper divisors (13276783).

146044481 is a wasteful number, since it uses less digits than its factorization.

146044481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13276782.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 146044481 is about 12084.8864702983. The cubic root of 146044481 is about 526.6172124601.

The spelling of 146044481 in words is "one hundred forty-six million, forty-four thousand, four hundred eighty-one".