1453861147 has 4 divisors (see below), whose sum is σ = 1503994320. Its totient is φ = 1403727976.

The previous prime is 1453861141. The next prime is 1453861153. The reversal of 1453861147 is 7411683541.

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

It is an interprime number because it is at equal distance from previous prime (1453861141) and next prime (1453861153).

It is a cyclic number.

It is not a de Polignac number, because 1453861147 - 2¹⁵ = 1453828379 is a prime.

It is a super-2 number, since 2×1453861147² = 4227424469512311218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1453861141) 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, 25066543 + ... + 25066600.

It is an arithmetic number, because the mean of its divisors is an integer number (375998580).

Almost surely, 2^1453861147 is an apocalyptic number.

1453861147 is a deficient number, since it is larger than the sum of its proper divisors (50133173).

1453861147 is an equidigital number, since it uses as much as digits as its factorization.

1453861147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50133172.

The product of its digits is 80640, while the sum is 40.

The square root of 1453861147 is about 38129.5311668004. The cubic root of 1453861147 is about 1132.8549592876.

The spelling of 1453861147 in words is "one billion, four hundred fifty-three million, eight hundred sixty-one thousand, one hundred forty-seven".