146689051 has 8 divisors (see below), whose sum is σ = 148053024. Its totient is φ = 145329600.

The previous prime is 146689043. The next prime is 146689091. The reversal of 146689051 is 150986641.

146689051 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 146689051 - 2³ = 146689043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146688995 and 146689013.

It is not an unprimeable number, because it can be changed into a prime (146689031) 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, 112101 + ... + 113401.

It is an arithmetic number, because the mean of its divisors is an integer number (18506628).

Almost surely, 2^146689051 is an apocalyptic number.

146689051 is a deficient number, since it is larger than the sum of its proper divisors (1363973).

146689051 is a wasteful number, since it uses less digits than its factorization.

146689051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 146689051 is about 12111.5255438776. The cubic root of 146689051 is about 527.3908203770.

The spelling of 146689051 in words is "one hundred forty-six million, six hundred eighty-nine thousand, fifty-one".