145409301 has 6 divisors (see below), whose sum is σ = 210035670. Its totient is φ = 96939528.

The previous prime is 145409291. The next prime is 145409311. The reversal of 145409301 is 103904541.

It is an interprime number because it is at equal distance from previous prime (145409291) and next prime (145409311).

It can be written as a sum of positive squares in only one way, i.e., 122080401 + 23328900 = 11049^2 + 4830^2 .

It is not a de Polignac number, because 145409301 - 2⁶ = 145409237 is a prime.

It is a super-2 number, since 2×145409301² = 42287729634617202, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145409311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8078286 + ... + 8078303.

It is an arithmetic number, because the mean of its divisors is an integer number (35005945).

Almost surely, 2^145409301 is an apocalyptic number.

It is an amenable number.

145409301 is a deficient number, since it is larger than the sum of its proper divisors (64626369).

145409301 is a wasteful number, since it uses less digits than its factorization.

145409301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16156595 (or 16156592 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 145409301 is about 12058.5779012287. The cubic root of 145409301 is about 525.8526444156.

The spelling of 145409301 in words is "one hundred forty-five million, four hundred nine thousand, three hundred one".