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145958641 = 434772221
BaseRepresentation
bin10001011001100…
…10011011110001
3101011122110121121
420230302123301
5244331134031
622252222241
73421425253
oct1054623361
9334573547
10145958641
1175431984
1240a6a981
132431557a
1415555cd3
15cc32011
hex8b326f1

145958641 has 8 divisors (see below), whose sum is σ = 152532864. Its totient is φ = 139529040.

The previous prime is 145958623. The next prime is 145958663. The reversal of 145958641 is 146859541.

145958641 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 145958641 - 29 = 145958129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145958441) 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, 34090 + ... + 38131.

It is an arithmetic number, because the mean of its divisors is an integer number (19066608).

Almost surely, 2145958641 is an apocalyptic number.

It is an amenable number.

145958641 is a deficient number, since it is larger than the sum of its proper divisors (6574223).

145958641 is an equidigital number, since it uses as much as digits as its factorization.

145958641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72311.

The product of its digits is 172800, while the sum is 43.

The square root of 145958641 is about 12081.3344047750. The cubic root of 145958641 is about 526.5140163180.

The spelling of 145958641 in words is "one hundred forty-five million, nine hundred fifty-eight thousand, six hundred forty-one".

Divisors: 1 43 47 2021 72221 3105503 3394387 145958641