1054491345 has 32 divisors (see below), whose sum is σ = 1897257600. Its totient is φ = 555613632.

The previous prime is 1054491337. The next prime is 1054491349. The reversal of 1054491345 is 5431944501.

It is a happy number.

It is not a de Polignac number, because 1054491345 - 2³ = 1054491337 is a prime.

It is a super-2 number, since 2×1054491345² = 2223903993359818050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1054491349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35850 + ... + 58259.

It is an arithmetic number, because the mean of its divisors is an integer number (59289300).

Almost surely, 2^1054491345 is an apocalyptic number.

1054491345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1054491345 is a deficient number, since it is larger than the sum of its proper divisors (842766255).

1054491345 is an equidigital number, since it uses as much as digits as its factorization.

1054491345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94206 (or 94200 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1054491345 is about 32472.9324976972. The cubic root of 1054491345 is about 1017.8434975298.

The spelling of 1054491345 in words is "one billion, fifty-four million, four hundred ninety-one thousand, three hundred forty-five".