145106601 has 4 divisors (see below), whose sum is σ = 193475472. Its totient is φ = 96737732.

The previous prime is 145106573. The next prime is 145106603. The reversal of 145106601 is 106601541.

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: 106601541 = 3 ⋅35533847.

It is a cyclic number.

It is not a de Polignac number, because 145106601 - 2⁹ = 145106089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145106603) 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, 24184431 + ... + 24184436.

It is an arithmetic number, because the mean of its divisors is an integer number (48368868).

Almost surely, 2^145106601 is an apocalyptic number.

It is an amenable number.

145106601 is a deficient number, since it is larger than the sum of its proper divisors (48368871).

145106601 is an equidigital number, since it uses as much as digits as its factorization.

145106601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48368870.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 145106601 is about 12046.0201311471. The cubic root of 145106601 is about 525.4875000158.

The spelling of 145106601 in words is "one hundred forty-five million, one hundred six thousand, six hundred one".