1454752491 has 8 divisors (see below), whose sum is σ = 2006555280. Its totient is φ = 936392352.

The previous prime is 1454752489. The next prime is 1454752547. The reversal of 1454752491 is 1942574541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1454752491 - 2¹ = 1454752489 is a prime.

It is a super-3 number, since 3×1454752491³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1454752471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8360560 + ... + 8360733.

It is an arithmetic number, because the mean of its divisors is an integer number (250819410).

Almost surely, 2^1454752491 is an apocalyptic number.

1454752491 is a deficient number, since it is larger than the sum of its proper divisors (551802789).

1454752491 is a wasteful number, since it uses less digits than its factorization.

1454752491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16721325.

The product of its digits is 201600, while the sum is 42.

The square root of 1454752491 is about 38141.2177440627. The cubic root of 1454752491 is about 1133.0864250379.

The spelling of 1454752491 in words is "one billion, four hundred fifty-four million, seven hundred fifty-two thousand, four hundred ninety-one".