145904061 has 8 divisors (see below), whose sum is σ = 199796704. Its totient is φ = 94640400.

The previous prime is 145904053. The next prime is 145904063. The reversal of 145904061 is 160409541.

It is a happy number.

145904061 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 not a de Polignac number, because 145904061 - 2³ = 145904053 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 (145904063) 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, 657115 + ... + 657336.

It is an arithmetic number, because the mean of its divisors is an integer number (24974588).

Almost surely, 2^145904061 is an apocalyptic number.

It is an amenable number.

145904061 is a deficient number, since it is larger than the sum of its proper divisors (53892643).

145904061 is a wasteful number, since it uses less digits than its factorization.

145904061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314491.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 145904061 is about 12079.0753371274. The cubic root of 145904061 is about 526.4483796474.

The spelling of 145904061 in words is "one hundred forty-five million, nine hundred four thousand, sixty-one".