1053157445 has 4 divisors (see below), whose sum is σ = 1263788940. Its totient is φ = 842525952.

The previous prime is 1053157433. The next prime is 1053157459. The reversal of 1053157445 is 5447513501.

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 416200801 + 636956644 = 20401^2 + 25238^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053157445 - 2²⁴ = 1036380229 is a prime.

It is a super-2 number, since 2×1053157445² = 2218281207917856050, 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 in 3 ways as a sum of consecutive naturals, for example, 105315740 + ... + 105315749.

It is an arithmetic number, because the mean of its divisors is an integer number (315947235).

Almost surely, 2^1053157445 is an apocalyptic number.

It is an amenable number.

1053157445 is a deficient number, since it is larger than the sum of its proper divisors (210631495).

1053157445 is an equidigital number, since it uses as much as digits as its factorization.

1053157445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210631494.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 1053157445 is about 32452.3873543997. The cubic root of 1053157445 is about 1017.4141359125.

It can be divided in two parts, 10531 and 57445, that added together give a palindrome (67976).

The spelling of 1053157445 in words is "one billion, fifty-three million, one hundred fifty-seven thousand, four hundred forty-five".