146257501 has 12 divisors (see below), whose sum is σ = 159554772. Its totient is φ = 134000256.

The previous prime is 146257457. The next prime is 146257547. The reversal of 146257501 is 105752641.

It can be written as a sum of positive squares in 6 ways, for example, as 15132100 + 131125401 = 3890^2 + 11451^2 .

It is not a de Polignac number, because 146257501 - 2¹³ = 146249309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146257591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19995 + ... + 26311.

It is an arithmetic number, because the mean of its divisors is an integer number (13296231).

Almost surely, 2^146257501 is an apocalyptic number.

It is an amenable number.

146257501 is a deficient number, since it is larger than the sum of its proper divisors (13297271).

146257501 is a wasteful number, since it uses less digits than its factorization.

146257501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6480 (or 6467 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 146257501 is about 12093.6967466528. The cubic root of 146257501 is about 526.8731287860.

The spelling of 146257501 in words is "one hundred forty-six million, two hundred fifty-seven thousand, five hundred one".