145461403 has 2 divisors, whose sum is σ = 145461404. Its totient is φ = 145461402.

The previous prime is 145461377. The next prime is 145461409. The reversal of 145461403 is 304164541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145461403 - 2²¹ = 143364251 is a prime.

It is equal to p_8203096 and since 145461403 and 8203096 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (145461409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72730701 + 72730702.

It is an arithmetic number, because the mean of its divisors is an integer number (72730702).

Almost surely, 2^145461403 is an apocalyptic number.

145461403 is a deficient number, since it is larger than the sum of its proper divisors (1).

145461403 is an equidigital number, since it uses as much as digits as its factorization.

145461403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 145461403 is about 12060.7380785755. The cubic root of 145461403 is about 525.9154434769.

The spelling of 145461403 in words is "one hundred forty-five million, four hundred sixty-one thousand, four hundred three".