1454152261 has 4 divisors (see below), whose sum is σ = 1459115532. Its totient is φ = 1449188992.

The previous prime is 1454152243. The next prime is 1454152267. The reversal of 1454152261 is 1622514541.

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 2 ways, for example, as 1216684161 + 237468100 = 34881^2 + 15410^2 .

It is a cyclic number.

It is not a de Polignac number, because 1454152261 - 2⁹ = 1454151749 is a prime.

It is a super-2 number, since 2×1454152261² = 4229117596342824242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454152267) 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, 2481196 + ... + 2481781.

It is an arithmetic number, because the mean of its divisors is an integer number (364778883).

Almost surely, 2^1454152261 is an apocalyptic number.

It is an amenable number.

1454152261 is a deficient number, since it is larger than the sum of its proper divisors (4963271).

1454152261 is an equidigital number, since it uses as much as digits as its factorization.

1454152261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963270.

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

The square root of 1454152261 is about 38133.3484105448. The cubic root of 1454152261 is about 1132.9305666751.

The spelling of 1454152261 in words is "one billion, four hundred fifty-four million, one hundred fifty-two thousand, two hundred sixty-one".