452145377 has 4 divisors (see below), whose sum is σ = 452194560. Its totient is φ = 452096196.

The previous prime is 452145367. The next prime is 452145401. The reversal of 452145377 is 773541254.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 452145377 - 2¹² = 452141281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 452145377.

It is not an unprimeable number, because it can be changed into a prime (452145367) 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, 6233 + ... + 30710.

It is an arithmetic number, because the mean of its divisors is an integer number (113048640).

Almost surely, 2^452145377 is an apocalyptic number.

It is an amenable number.

452145377 is a deficient number, since it is larger than the sum of its proper divisors (49183).

452145377 is a wasteful number, since it uses less digits than its factorization.

452145377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49182.

The product of its digits is 117600, while the sum is 38.

The square root of 452145377 is about 21263.7103300435. The cubic root of 452145377 is about 767.5252967644.

The spelling of 452145377 in words is "four hundred fifty-two million, one hundred forty-five thousand, three hundred seventy-seven".