146225015 has 4 divisors (see below), whose sum is σ = 175470024. Its totient is φ = 116980008.

The previous prime is 146225003. The next prime is 146225029. The reversal of 146225015 is 510522641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510522641 = 29 ⋅17604229.

It is a cyclic number.

It is not a de Polignac number, because 146225015 - 2²⁶ = 79116151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14622497 + ... + 14622506.

It is an arithmetic number, because the mean of its divisors is an integer number (43867506).

Almost surely, 2^146225015 is an apocalyptic number.

146225015 is a deficient number, since it is larger than the sum of its proper divisors (29245009).

146225015 is an equidigital number, since it uses as much as digits as its factorization.

146225015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29245008.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 146225015 is about 12092.3535757106. The cubic root of 146225015 is about 526.8341170709.

Adding to 146225015 its reverse (510522641), we get a palindrome (656747656).

The spelling of 146225015 in words is "one hundred forty-six million, two hundred twenty-five thousand, fifteen".