146004157 has 8 divisors (see below), whose sum is σ = 161070840. Its totient is φ = 131485440.

The previous prime is 146004139. The next prime is 146004167. The reversal of 146004157 is 751400641.

It can be written as a sum of positive squares in 4 ways, for example, as 10374841 + 135629316 = 3221^2 + 11646^2 .

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 146004157 - 2¹⁵ = 145971389 is a prime.

It is a super-2 number, since 2×146004157² = 42634427722561298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146004107) 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, 136432 + ... + 137497.

It is an arithmetic number, because the mean of its divisors is an integer number (20133855).

Almost surely, 2^146004157 is an apocalyptic number.

It is an amenable number.

146004157 is a deficient number, since it is larger than the sum of its proper divisors (15066683).

146004157 is a wasteful number, since it uses less digits than its factorization.

146004157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273983.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 146004157 is about 12083.2179902541. The cubic root of 146004157 is about 526.5687403165.

Adding to 146004157 its reverse (751400641), we get a palindrome (897404798).

The spelling of 146004157 in words is "one hundred forty-six million, four thousand, one hundred fifty-seven".