145611057 has 8 divisors (see below), whose sum is σ = 195962976. Its totient is φ = 96166592.

The previous prime is 145611023. The next prime is 145611073. The reversal of 145611057 is 750116541.

145611057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145611057 - 2⁷ = 145610929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145611007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226488 + ... + 227129.

It is an arithmetic number, because the mean of its divisors is an integer number (24495372).

Almost surely, 2^145611057 is an apocalyptic number.

It is an amenable number.

145611057 is a deficient number, since it is larger than the sum of its proper divisors (50351919).

145611057 is a wasteful number, since it uses less digits than its factorization.

145611057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453727.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 145611057 is about 12066.9406644766. The cubic root of 145611057 is about 526.0957395836.

Adding to 145611057 its reverse (750116541), we get a palindrome (895727598).

The spelling of 145611057 in words is "one hundred forty-five million, six hundred eleven thousand, fifty-seven".