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154657045 = 556954361
BaseRepresentation
bin10010011011111…
…10000100010101
3101210000101120201
421031332010111
5304043011140
623202500501
73555364114
oct1115760425
9353011521
10154657045
117a333144
1243964731
132606c85a
141677bc7b
15d89e49a
hex937e115

154657045 has 8 divisors (see below), whose sum is σ = 185918040. Its totient is φ = 123505920.

The previous prime is 154657033. The next prime is 154657049. The reversal of 154657045 is 540756451.

It is a happy number.

154657045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4986289 + 149670756 = 2233^2 + 12234^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 154657045 - 227 = 20439317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154656995 and 154657013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154657049) 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, 24336 + ... + 30025.

It is an arithmetic number, because the mean of its divisors is an integer number (23239755).

Almost surely, 2154657045 is an apocalyptic number.

It is an amenable number.

154657045 is a deficient number, since it is larger than the sum of its proper divisors (31260995).

154657045 is an equidigital number, since it uses as much as digits as its factorization.

154657045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54935.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 154657045 is about 12436.1185664981. The cubic root of 154657045 is about 536.7720609247.

The spelling of 154657045 in words is "one hundred fifty-four million, six hundred fifty-seven thousand, forty-five".

Divisors: 1 5 569 2845 54361 271805 30931409 154657045