145554413 has 4 divisors (see below), whose sum is σ = 145622688. Its totient is φ = 145486140.

The previous prime is 145554407. The next prime is 145554439. The reversal of 145554413 is 314455541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 314455541 = 389 ⋅808369.

It is a cyclic number.

It is not a de Polignac number, because 145554413 - 2⁴ = 145554397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145554413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145554463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30833 + ... + 35238.

It is an arithmetic number, because the mean of its divisors is an integer number (36405672).

Almost surely, 2^145554413 is an apocalyptic number.

It is an amenable number.

145554413 is a deficient number, since it is larger than the sum of its proper divisors (68275).

145554413 is an equidigital number, since it uses as much as digits as its factorization.

145554413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68274.

The product of its digits is 24000, while the sum is 32.

The square root of 145554413 is about 12064.5933623973. The cubic root of 145554413 is about 526.0275120906.

The spelling of 145554413 in words is "one hundred forty-five million, five hundred fifty-four thousand, four hundred thirteen".