1145377 has 8 divisors (see below), whose sum is σ = 1258560. Its totient is φ = 1037520.

The previous prime is 1145371. The next prime is 1145381. The reversal of 1145377 is 7735411.

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

It is a cyclic number.

It is not a de Polignac number, because 1145377 - 2³ = 1145369 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1145371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874 + ... + 1747.

It is an arithmetic number, because the mean of its divisors is an integer number (157320).

2^1145377 is an apocalyptic number.

1145377 is the 874-th pentagonal number.

It is an amenable number.

1145377 is a deficient number, since it is larger than the sum of its proper divisors (113183).

1145377 is a wasteful number, since it uses less digits than its factorization.

1145377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663.

The product of its digits is 2940, while the sum is 28.

The square root of 1145377 is about 1070.2228739847. Note that the first 3 decimals coincide. The cubic root of 1145377 is about 104.6283763726.

The spelling of 1145377 in words is "one million, one hundred forty-five thousand, three hundred seventy-seven".