1601145454 has 4 divisors (see below), whose sum is σ = 2401718184. Its totient is φ = 800572726.

The previous prime is 1601145421. The next prime is 1601145461. The reversal of 1601145454 is 4545411061.

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

It is a super-2 number, since 2×1601145454² = 5127333529729732232, which contains 22 as substring.

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, 400286362 + ... + 400286365.

It is an arithmetic number, because the mean of its divisors is an integer number (600429546).

Almost surely, 2^1601145454 is an apocalyptic number.

1601145454 is a deficient number, since it is larger than the sum of its proper divisors (800572730).

1601145454 is an equidigital number, since it uses as much as digits as its factorization.

1601145454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800572729.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 1601145454 is about 40014.3156132902. The cubic root of 1601145454 is about 1169.8861393569.

The spelling of 1601145454 in words is "one billion, six hundred one million, one hundred forty-five thousand, four hundred fifty-four".