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148215045 = 35111914703
BaseRepresentation
bin10001101010110…
…01010100000101
3101022220002211010
420311121110011
5300420340140
622412432433
73446543556
oct1065312405
9338802733
10148215045
1176733180
1241778719
1324925614
141598232d
15d02a880
hex8d59505

148215045 has 32 divisors (see below), whose sum is σ = 260112384. Its totient is φ = 71470400.

The previous prime is 148215019. The next prime is 148215047. The reversal of 148215045 is 540512841.

It is not a de Polignac number, because 148215045 - 27 = 148214917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148215047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29164 + ... + 33866.

It is an arithmetic number, because the mean of its divisors is an integer number (8128512).

Almost surely, 2148215045 is an apocalyptic number.

148215045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148215045 is a deficient number, since it is larger than the sum of its proper divisors (111897339).

148215045 is a wasteful number, since it uses less digits than its factorization.

148215045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 148215045 is about 12174.3601474574. The cubic root of 148215045 is about 529.2133161043.

Adding to 148215045 its reverse (540512841), we get a palindrome (688727886).

The spelling of 148215045 in words is "one hundred forty-eight million, two hundred fifteen thousand, forty-five".

Divisors: 1 3 5 11 15 33 55 165 191 573 955 2101 2865 4703 6303 10505 14109 23515 31515 51733 70545 155199 258665 775995 898273 2694819 4491365 9881003 13474095 29643009 49405015 148215045