Search a number
-
+
154033245 = 345380329
BaseRepresentation
bin10010010111001…
…01110001011101
3101201211200220000
421023211301131
5303413030440
623141244513
73550155342
oct1113456135
9351750800
10154033245
1179a47503
1243703739
1325bb1942
14166587c9
15d7c9730
hex92e5c5d

154033245 has 20 divisors (see below), whose sum is σ = 276119580. Its totient is φ = 82150848.

The previous prime is 154033223. The next prime is 154033261. The reversal of 154033245 is 542330451.

154033245 is a `hidden beast` number, since 15 + 403 + 3 + 245 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55666521 + 98366724 = 7461^2 + 9918^2 .

It is not a de Polignac number, because 154033245 - 25 = 154033213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 189760 + ... + 190569.

It is an arithmetic number, because the mean of its divisors is an integer number (13805979).

Almost surely, 2154033245 is an apocalyptic number.

154033245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154033245 is a deficient number, since it is larger than the sum of its proper divisors (122086335).

154033245 is an equidigital number, since it uses as much as digits as its factorization.

154033245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380346 (or 380337 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 154033245 is about 12411.0130529300. The cubic root of 154033245 is about 536.0494090582.

Adding to 154033245 its reverse (542330451), we get a palindrome (696363696).

The spelling of 154033245 in words is "one hundred fifty-four million, thirty-three thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 380329 1140987 1901645 3422961 5704935 10268883 17114805 30806649 51344415 154033245