145431301 has 16 divisors (see below), whose sum is σ = 157536000. Its totient is φ = 133818048.

The previous prime is 145431287. The next prime is 145431329. The reversal of 145431301 is 103134541.

It is a cyclic number.

It is not a de Polignac number, because 145431301 - 2⁷ = 145431173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145431331) 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, 132511 + ... + 133603.

It is an arithmetic number, because the mean of its divisors is an integer number (9846000).

Almost surely, 2^145431301 is an apocalyptic number.

It is an amenable number.

145431301 is a deficient number, since it is larger than the sum of its proper divisors (12104699).

145431301 is a wasteful number, since it uses less digits than its factorization.

145431301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 145431301 is about 12059.4900804304. The cubic root of 145431301 is about 525.8791630650.

Adding to 145431301 its reverse (103134541), we get a palindrome (248565842).

The spelling of 145431301 in words is "one hundred forty-five million, four hundred thirty-one thousand, three hundred one".