145415053 has 16 divisors (see below), whose sum is σ = 169793280. Its totient is φ = 121968000.

The previous prime is 145415003. The next prime is 145415107. The reversal of 145415053 is 350514541.

145415053 = 52² + 53² + ... + 758².

It is a de Polignac number, because none of the positive numbers 2^k-145415053 is a prime.

It is a super-2 number, since 2×145415053² = 42291075277985618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145415003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61768 + ... + 64078.

It is an arithmetic number, because the mean of its divisors is an integer number (10612080).

Almost surely, 2^145415053 is an apocalyptic number.

It is an amenable number.

145415053 is a deficient number, since it is larger than the sum of its proper divisors (24378227).

145415053 is a wasteful number, since it uses less digits than its factorization.

145415053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 145415053 is about 12058.8164012891. The cubic root of 145415053 is about 525.8595780953.

Adding to 145415053 its reverse (350514541), we get a palindrome (495929594).

The spelling of 145415053 in words is "one hundred forty-five million, four hundred fifteen thousand, fifty-three".