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145255301 = 157925193
BaseRepresentation
bin10001010100001…
…10101110000101
3101010022201210222
420222012232011
5244141132201
622225154125
73412435562
oct1052065605
9333281728
10145255301
1174aa1504
124078b945
132412a3a9
1415411869
15cb4391b
hex8a86b85

145255301 has 4 divisors (see below), whose sum is σ = 146180652. Its totient is φ = 144329952.

The previous prime is 145255291. The next prime is 145255337. The reversal of 145255301 is 103552541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75516100 + 69739201 = 8690^2 + 8351^2 .

It is a cyclic number.

It is not a de Polignac number, because 145255301 - 26 = 145255237 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 (145245301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462440 + ... + 462753.

It is an arithmetic number, because the mean of its divisors is an integer number (36545163).

Almost surely, 2145255301 is an apocalyptic number.

It is an amenable number.

145255301 is a deficient number, since it is larger than the sum of its proper divisors (925351).

145255301 is an equidigital number, since it uses as much as digits as its factorization.

145255301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925350.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 145255301 is about 12052.1907137250. The cubic root of 145255301 is about 525.6669389345. Note that the first 3 decimals are identical.

The spelling of 145255301 in words is "one hundred forty-five million, two hundred fifty-five thousand, three hundred one".

Divisors: 1 157 925193 145255301