145122061 has 8 divisors (see below), whose sum is σ = 171573120. Its totient is φ = 120100848.

The previous prime is 145122053. The next prime is 145122073. The reversal of 145122061 is 160221541.

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

It is not a de Polignac number, because 145122061 - 2³ = 145122053 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 (145122031) 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, 357241 + ... + 357646.

It is an arithmetic number, because the mean of its divisors is an integer number (21446640).

Almost surely, 2^145122061 is an apocalyptic number.

It is an amenable number.

145122061 is a deficient number, since it is larger than the sum of its proper divisors (26451059).

145122061 is an equidigital number, since it uses as much as digits as its factorization.

145122061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714923.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 145122061 is about 12046.6618197740. The cubic root of 145122061 is about 525.5061615795.

The spelling of 145122061 in words is "one hundred forty-five million, one hundred twenty-two thousand, sixty-one".