145415501 has 24 divisors (see below), whose sum is σ = 193435200. Its totient is φ = 106634880.

The previous prime is 145415497. The next prime is 145415563. The reversal of 145415501 is 105514541.

It is not a de Polignac number, because 145415501 - 2² = 145415497 is a prime.

It is a super-3 number, since 3×145415501³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145415201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9350 + ... + 19448.

It is an arithmetic number, because the mean of its divisors is an integer number (8059800).

Almost surely, 2^145415501 is an apocalyptic number.

145415501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145415501 is a deficient number, since it is larger than the sum of its proper divisors (48019699).

145415501 is a wasteful number, since it uses less digits than its factorization.

145415501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10145 (or 10134 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 145415501 is about 12058.8349768956. The cubic root of 145415501 is about 525.8601181239.

The spelling of 145415501 in words is "one hundred forty-five million, four hundred fifteen thousand, five hundred one".