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146688157 = 7111905041
BaseRepresentation
bin10001011111001…
…00100010011101
3101020000112022201
420233210202131
5300023010112
622320011501
73430554160
oct1057444235
9336015281
10146688157
117588aa90
1241160b91
132450c635
14156a5ad7
15cd28257
hex8be489d

146688157 has 8 divisors (see below), whose sum is σ = 182884032. Its totient is φ = 114302400.

The previous prime is 146688137. The next prime is 146688161. The reversal of 146688157 is 751886641.

146688157 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 a cyclic number.

It is not a de Polignac number, because 146688157 - 27 = 146688029 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 (146688127) 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, 952444 + ... + 952597.

It is an arithmetic number, because the mean of its divisors is an integer number (22860504).

Almost surely, 2146688157 is an apocalyptic number.

It is an amenable number.

146688157 is a deficient number, since it is larger than the sum of its proper divisors (36195875).

146688157 is a wasteful number, since it uses less digits than its factorization.

146688157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905059.

The product of its digits is 322560, while the sum is 46.

The square root of 146688157 is about 12111.4886368274. The cubic root of 146688157 is about 527.3897489761.

The spelling of 146688157 in words is "one hundred forty-six million, six hundred eighty-eight thousand, one hundred fifty-seven".

Divisors: 1 7 11 77 1905041 13335287 20955451 146688157