146140269 has 16 divisors (see below), whose sum is σ = 218314560. Its totient is φ = 86175360.

The previous prime is 146140261. The next prime is 146140271. The reversal of 146140269 is 962041641.

It is not a de Polignac number, because 146140269 - 2³ = 146140261 is a prime.

It is a super-2 number, since 2×146140269² = 42713956446784722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146140261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58624 + ... + 61065.

It is an arithmetic number, because the mean of its divisors is an integer number (13644660).

Almost surely, 2^146140269 is an apocalyptic number.

It is an amenable number.

146140269 is a deficient number, since it is larger than the sum of its proper divisors (72174291).

146140269 is a wasteful number, since it uses less digits than its factorization.

146140269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119740.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 146140269 is about 12088.8489526505. The cubic root of 146140269 is about 526.7323202795.

The spelling of 146140269 in words is "one hundred forty-six million, one hundred forty thousand, two hundred sixty-nine".