146404894 has 4 divisors (see below), whose sum is σ = 219607344. Its totient is φ = 73202446.

The previous prime is 146404889. The next prime is 146404949. The reversal of 146404894 is 498404641.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36601222 + ... + 36601225.

It is an arithmetic number, because the mean of its divisors is an integer number (54901836).

Almost surely, 2^146404894 is an apocalyptic number.

146404894 is a deficient number, since it is larger than the sum of its proper divisors (73202450).

146404894 is an equidigital number, since it uses as much as digits as its factorization.

146404894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73202449.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 146404894 is about 12099.7890064249. The cubic root of 146404894 is about 527.0500572360.

The spelling of 146404894 in words is "one hundred forty-six million, four hundred four thousand, eight hundred ninety-four".