Search a number
-
+
145338054 = 2324223009
BaseRepresentation
bin10001010100110…
…10111011000110
3101010110221022220
420222122323012
5244201304204
622231033210
73413232051
oct1052327306
9333427286
10145338054
11750486a4
124080b806
1324158c64
1415433a98
15cb5d1d9
hex8a9aec6

145338054 has 8 divisors (see below), whose sum is σ = 290676120. Its totient is φ = 48446016.

The previous prime is 145338019. The next prime is 145338059. The reversal of 145338054 is 450833541.

145338054 is digitally balanced in base 2 and base 3, because in such bases 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.

145338054 is an admirable number.

It is a super-2 number, since 2×1453380542 = 42246299881013832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145338059) 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, 12111499 + ... + 12111510.

It is an arithmetic number, because the mean of its divisors is an integer number (36334515).

Almost surely, 2145338054 is an apocalyptic number.

145338054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145338054 is a wasteful number, since it uses less digits than its factorization.

145338054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24223014.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 145338054 is about 12055.6233351909. The cubic root of 145338054 is about 525.7667454078.

The spelling of 145338054 in words is "one hundred forty-five million, three hundred thirty-eight thousand, fifty-four".

Divisors: 1 2 3 6 24223009 48446018 72669027 145338054