1090461145 has 8 divisors (see below), whose sum is σ = 1321509960. Its totient is φ = 863731200.

The previous prime is 1090461121. The next prime is 1090461157. The reversal of 1090461145 is 5411640901.

It can be written as a sum of positive squares in 4 ways, for example, as 345662464 + 744798681 = 18592^2 + 27291^2 .

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

It is not a de Polignac number, because 1090461145 - 2⁷ = 1090461017 is a prime.

It is a super-2 number, since 2×1090461145² = 2378211017509422050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079160 + ... + 1080169.

It is an arithmetic number, because the mean of its divisors is an integer number (165188745).

Almost surely, 2^1090461145 is an apocalyptic number.

It is an amenable number.

1090461145 is a deficient number, since it is larger than the sum of its proper divisors (231048815).

1090461145 is a wasteful number, since it uses less digits than its factorization.

1090461145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159435.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1090461145 is about 33022.1311395858. The cubic root of 1090461145 is about 1029.2875788012.

The spelling of 1090461145 in words is "one billion, ninety million, four hundred sixty-one thousand, one hundred forty-five".