501436145 has 16 divisors (see below), whose sum is σ = 688228608. Its totient is φ = 343569600.

The previous prime is 501436123. The next prime is 501436157. The reversal of 501436145 is 541634105.

It is a happy number.

It is not a de Polignac number, because 501436145 - 2⁶ = 501436081 is a prime.

It is a super-2 number, since 2×501436145² = 502876415024922050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45695 + ... + 55595.

It is an arithmetic number, because the mean of its divisors is an integer number (43014288).

Almost surely, 2^501436145 is an apocalyptic number.

It is an amenable number.

501436145 is a deficient number, since it is larger than the sum of its proper divisors (186792463).

501436145 is a wasteful number, since it uses less digits than its factorization.

501436145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11360.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 501436145 is about 22392.7699269206. The cubic root of 501436145 is about 794.4597122742.

The spelling of 501436145 in words is "five hundred one million, four hundred thirty-six thousand, one hundred forty-five".