2945554 has 4 divisors (see below), whose sum is σ = 4418334. Its totient is φ = 1472776.

The previous prime is 2945531. The next prime is 2945609. The reversal of 2945554 is 4555492.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2812329 + 133225 = 1677^2 + 365^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736387 + ... + 736390.

2^2945554 is an apocalyptic number.

2945554 is a deficient number, since it is larger than the sum of its proper divisors (1472780).

2945554 is a wasteful number, since it uses less digits than its factorization.

2945554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472779.

The product of its digits is 36000, while the sum is 34.

The square root of 2945554 is about 1716.2616350662. The cubic root of 2945554 is about 143.3471280516.

The spelling of 2945554 in words is "two million, nine hundred forty-five thousand, five hundred fifty-four".