1145261494 has 16 divisors (see below), whose sum is σ = 1930475232. Its totient is φ = 505600128.

The previous prime is 1145261419. The next prime is 1145261503. The reversal of 1145261494 is 4941625411.

It is a super-2 number, since 2×1145261494² = 2623247779278224072, 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 7 ways as a sum of consecutive naturals, for example, 956979 + ... + 958174.

It is an arithmetic number, because the mean of its divisors is an integer number (120654702).

Almost surely, 2^1145261494 is an apocalyptic number.

1145261494 is a deficient number, since it is larger than the sum of its proper divisors (785213738).

1145261494 is a wasteful number, since it uses less digits than its factorization.

1145261494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915191.

The product of its digits is 34560, while the sum is 37.

The square root of 1145261494 is about 33841.7123384737. The cubic root of 1145261494 is about 1046.2485915763.

The spelling of 1145261494 in words is "one billion, one hundred forty-five million, two hundred sixty-one thousand, four hundred ninety-four".