4015145500 has 24 divisors (see below), whose sum is σ = 8769078864. Its totient is φ = 1606058000.

The previous prime is 4015145461. The next prime is 4015145503. The reversal of 4015145500 is 55415104.

It is a happy number.

It is a super-2 number, since 2×4015145500² = 32242786772340500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4015145503) 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, 4014646 + ... + 4015645.

It is an arithmetic number, because the mean of its divisors is an integer number (365378286).

Almost surely, 2^4015145500 is an apocalyptic number.

It is an amenable number.

4015145500 is an abundant number, since it is smaller than the sum of its proper divisors (4753933364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4015145500 is a wasteful number, since it uses less digits than its factorization.

4015145500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8030310 (or 8030298 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 4015145500 is about 63365.1757671357. The cubic root of 4015145500 is about 1589.4020271611.

The spelling of 4015145500 in words is "four billion, fifteen million, one hundred forty-five thousand, five hundred".